Home / 25,014.76-34,521.29-13,683.57

Finding the Fourth Proportional to 25,014.76, 34,521.29 and 13,683.57

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Solution

The fourth proportional to 25,014.76, 34,521.29 and 13,683.57 is: 18,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,014.76 : 34,521.29 = 13,683.57 : x
  2. Step 2: Convert to fraction form
    25,014.76/34,521.29 = 13,683.57/x
  3. Step 3: Cross multiply
    25,014.76x = 34,521.29 × 13,683.57
  4. Step 4: Simplify right side
    25,014.76x = 472,374,341.65
  5. Step 5: Solve for x
    x = 472,374,341.65/25,014.76
  6. Step 6: Final answer
    x = 18,883.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.